There is an updated pull request by ArmedAviator against master on the void-packages repository

https://github.com/ArmedAviator/void-packages haproxy
https://github.com/void-linux/void-packages/pull/25005

haproxy: update to 2.2.3
Tested working.  This brings HAProxy to the latest LTS branch.

A patch file from https://github.com/void-linux/void-packages/pull/25005.patch is attached